Garage Door Safety Reverse Not Working Liftmaster

For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam.

Garage door safety reverse not working liftmaster.

Adjust the garage door opener mechanism. Garage door sensors prevent the garage door from closing if there s something in the way. If it s on the remote won t work so turn. Injuries from garage doors account for about 20 000 er visits every year and 60 children have been killed since 1982 from garage doors that did not auto reverse when met with contact.

Follow the procedure in your owner s manual for doing this. Sensors are a critical safety feature but can prevent an automatic garage door from working properly. Garage door openers made prior to 1993 are safe and reliable if installed tested and maintained properly. If you have a wall mounted model check the lock switch.

In approximately half of my inspections the automatic garage door opener does not auto reverse when met with resistance. We design and engineer residential garage door openers commercial door operators and gate entry systems. On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor. Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.

Because most pre 1982 garage door openers do not comply with current safety standards the consumer product safety commission cpsc recommends replacement with an opener that has an auto. However the vast majority of these older units are not equipped with infrared sensors or other external entrapment protection devices and thus do not meet today s standards for garage door opener safety. Therefore some pre 1982 garage door openers may have been manufactured with other safety features which may stop the door but not cause it to reverse. When a remote stops working on an existing door opener it s often because you need to change the batteries.

If your door opener is brand new the remote won t work until you program it.